baber/WOPTO huggingface dataset:
Patent JP-2002275206-A (JP)
Title: Catalyst for polymerizing olefin and method for polymerizing olefin
Inventor: TORIO SHUICHI
IPC: C08F4/642
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To provide an olefin polymerization catalyst which can produce a polymer having excellent particle properties such as excellent flowability and excellent adhesivity in large polymerization activity, and to provide a method for polymerizing an olefin in the presence of the catalyst. SOLUTION: This olefin polymerization catalyst obtained by bringing a catalyst component containing (A) a component; a metallocene compound of a metal selected from titanium, zirconium and hafnium and (B) a component; an ion-exchangeable lamellar silicate into contact with an olefin to preliminarily polymerize the olefin, is characterized in that the preliminary polymerization is carried out at a polymer-producing rate of <=10 mg/min-g of the component (B) until the preliminary polymerized polymer is produced in an amount corresponding to the pore volume of the component (B). Thereby, the non-adhesive and easily handleable olefin polymerization catalyst powder having high flowability and high bulk density is obtained. When the olefin is polymerized in the presence of the olefin polymerization catalyst powder, the non-adhesive, easily handleable olefin polymer not forming fine powder or the like and having a high bulk density and an excellent particle properties can be obtained.
Patent JP-2002281552-A (JP)
Title: On-vehicle hands-free system
Inventor: MIYAO MASANORI
IPC: H04W4/00
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To provide a wireless type on-vehicle hands-free system which can be comfortably utilized in a real utilization scene. SOLUTION: An on-vehicle hands-free set 1 in the on-vehicle hands-free system is provided with a CPU 101 for controlling individual functions, a non- volatile memory 102 for storing a registered ID for identifying a portable telephone set, a volatile memory 103, a radio control part 104 for performing processing such as signal diffusion, modulation or filtering, a voice CODEC 106, for applying digital signal processing to a received signal and an input voice signal from a microphone 15, a microphone 107, a speaker 108 and a switch 109. The CPU 101 performs an automatic line connection with a portable telephone set having an ID registered in the non-volatile memory 102.
Patent JP-2001344960-A (JP)
Title: Disk drive
Inventor: WATANABE TAKASHI
IPC: G11B17/04
Filed: 2001-03-16
Abstract: PROBLEM TO BE SOLVED: To improve the silence of a disk device which is downsized. SOLUTION: A tray 2 of the disk device having the tray and a chassis 10 is formed to a shape notched on one side in such a manner that the disk 3 is placed thereon and that the disk 3 partly protrudes. The chassis 10 is constituted to hold the tray 2 movably between a drawing-out position and a housing position where the tray 2 is housed. A housing section 10a which houses the tray 2 when the tray exists in the housing position and a cover section 10b which houses the segment of the disk 3 protruding from the tray 2 when the tray exists in the housing position are formed at the chassis 10. An air current shaping member 20 smoothly facing the outer peripheral edge of the disk 3 moved to the housing section apart a specified parting distance is disposed in the cover section 10b.
Patent JP-2002281714-A (JP)
Title: Motor
Inventor: YAMANAKA TAKESHI
IPC: H02K21/14
Filed: 2001-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a motor capable achieving little vibration at low cost and with a small structure. SOLUTION: In a motor provided with a rotor unit whose rotation is driven by a magnetic action between a stator on which a core unit with a plurality of coils 7 is fixed on a printed circuit board 9 on a core 6 and a magnet 3 disposed on a rotor yoke 1, the core unit and the printed circuit board 9 are bonded to each other with adhesives. It is thus possible to improve the mechanical rigidity of a vibrator for ensuring the bonding between the core unit and the printed circuit board 9, thereby providing the motor for little vibration at low cost and with a small structure.
Patent JP-2002279909-A (JP)
Title: Multi-cavity klystron
Inventor: OKUBO YOSHIHISA
IPC: H01J23/20
Filed: 2001-03-19
Abstract: PROBLEM TO BE SOLVED: To provide a multi-cavity klystron that can form appreciable focusing magnetic field and make a permanent magnet compact in size by miniaturizing a cavity. SOLUTION: The multi-cavity klystron comprises an electron gun 11 for emitting an electron beam, an input cavity 12 into which a high-frequency wave is inputted, a plurality of intermediate cavities 13a to 13c, an output cavity 14, a collector 15 for capturing the electron beam, and a magnetic field generator 20 for focusing the electron beam. At least one cavity, for example, the input cavity 12, the intermediate cavity 13a and the output cavity 13a, is filled in the inside with a dielectric 21.
Patent JP-2002274206-A (JP)
Title: Structure of front axle part of riding rice transplanter
Inventor: TAKEUCHI OSAMU
IPC: B60K17/04
Filed: 2001-03-21
Abstract: PROBLEM TO BE SOLVED: To lower the center of gravity of the structure of a riding rice transplanter. SOLUTION: A front axle case comprises outward extension bodies extended outwardly from right and left lower parts of a transmission case and an upward extension body extended upwardly from a tip part of each outward extension body, recessed spaces in front view are formed by the outward extension bodies, the upward extension body and side walls of the transmission case, and a transmission mechanism or a gear shift mechanism connected to one side of the transmission case in an interlocking manner is disposed in one space.
Patent JP-2002285850-A (JP)
Title: Direct injection type combustion chamber for diesel engine
Inventor: KOSAKA TETSUYA
IPC: F02M61/18
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To ensure the sufficient volume of a swirl chamber 2 and prevent the occurrence of the insufficiency of air by prolonging the thickness 27 of a spray collision part 11 to increase the amount of spray fuel colliding against the spray collision part 11 and rebounding to the vicinity of a swirl chamber inlet 4 and increase an air use rate and by shortening the thickness 28 of a spray non-collision part 18 to prolong a height 29 from the inner bottom face 24 of the swirl chamber 4 to a ceiling wall 3 forming a spray non-collision part 20. SOLUTION: In a direct injection type combustion chamber for a diesel engine constituted such that a plurality of fuel sprayings 6 are radially performed from a multihole injection nozzle 5 to collide spray fuel against the inner peripheral face 7 of the swirl chamber inlet 4, the thickness 27 of each spray collision part 11 on the inner peripheral face 7 of the swirl chamber inlet 4 is set to be longer than thickness 28 of the spray non-collision part 20 positioned between adjacent spray collision parts 11 and 11.
Patent JP-2001341326-A (JP)
Title: Liquid jetting device
Inventor: YONEKUBO SHUJI
IPC: B41J2/045
Filed: 2001-03-23
Abstract: PROBLEM TO BE SOLVED: To provide a liquid jetting device capable of controlling jetting middle microvibration corresponding to the characteristics and the kind of the liquid. SOLUTION: This liquid jetting device comprises a head member 8 having a nozzle opening 51, and a pressure fluctuating means 35 for fluctuating the pressure of the liquid at the nozzle opening 51 part. A main signal generating means 11 produces an ejection driving signal, and a main mode signal generating means produces a main mode signal based on jetting data and a liquid supplied to the nozzle opening 51. A signal fusing part produces a driving pulse signal based on the AND of the ejection driving signal and the main mode signal, and a control main body part drives the pressure fluctuating means 35 based on the driving pulse signal.
Patent JP-2002284777-A (JP)
Title: Physiologically active substance, method for producing the same and use thereof
Inventor: TSUBOYA SHIGETOSHI
IPC: C12R1/80
Filed: 2001-03-26
Abstract: PROBLEM TO BE SOLVED: To obtain a compound having excellent antagonism of CCR7. SOLUTION: This compound is represented by general formula [R<1> is a hydroxy group which may be substituted; R<2> is a carboxy group which may be esterified or amidated; R<3> is a hydrogen atom or a hydrocarbon group which may be substituted] or its salt.
Patent JP-2002290292-A (JP)
Title: Impedance adjustment device
Inventor: WAZAKI MASARU
IPC: H03H7/09
Filed: 2001-03-27
Abstract: PROBLEM TO BE SOLVED: To provide an impedance adjustment device that can easily change the impedance of a signal transmission line depending on the frequency of the signal. SOLUTION: The impedance adjustment devices 5, 6 include a common mode choke configured by winding a 1st winding 51a and a 2nd winding 51b on a core 50. A gap 52 is formed in the core 50. A gap control signal 50 is mounted on the gap 52. The gap control section 53 has a gap control core 54 and a gap control coil 55 that is wound on the gap control core 54. Part of the gap control core 54 is inserted to the gap 52 so as to be closely attached to the core 50. A current control circuit 56 controls the current flowing to the gap control coil 5 depending on the frequency for power line communication so that the impedance of the impedance adjustment devices 5, 6 is close to a constant value independently of the frequency.
Patent JP-2001340117-A (JP)
Title: Expandable umbrella
Inventor: YAMAGUCHI KOICHI
IPC: A45B19/04
Filed: 2001-03-27
Abstract: PROBLEM TO BE SOLVED: To impart a variety to design in the use state of an umbrella by making the form of the edge side portions of the umbrella in a developed state changeable and variable. SOLUTION: The upper part of a metal rod 2 is provided with ribs 5 to hold covering cloth 3. The ribs 5 have four straight parts 36 radially projecting from the upper part of the metal rod 2 and curving parts 37 for interconnecting the front ends of the straight parts 36 and 36 adjacent to each other. The curving parts 37 are formed by turnably connecting the front end connecting parts 45 and 46 of first and second curving pieces 40 and 41 to each other turnably in opposite directions and can be developed to project upward by their spring characteristics. One end 57 of a manipulating cord 56 is connected to an each other's connecting segment 55 of the front end connecting parts and the manipulating cord 56 is pulled in a manner as to move this one end 57 toward the metal rod 2 side, by which the first and second curving pieces 40 and 41 are elastically rolled in and deformed.
Patent JP-2001281830-A (JP)
Title: Device necessary for automatic replenishing for process chamber of photograph finishing device
Inventor: CASTELLARIN SILVANO
IPC: G03D3/06
Filed: 2001-03-27
Abstract: PROBLEM TO BE SOLVED: To provide such a device which can provide a fresh processing solution without delay at all. SOLUTION: The device for preparing the liquid processing solution for processing photographic sensitive materials includes a storage container 10 for storing the fresh processing solution fed into the developing chamber of a developing device, a supply section 12 for the (single) dry component or (plural) dry components and/or dry mixture of the components of a developer solution and a reception container 16 for receiving the solvent. A mixing tank 18 is disposed between the supply section 12, the reception container 16 and the storage container 10.
Patent JP-2002287283-A (JP)
Title: Silver halide photographic emulsion
Inventor: KIYOTO NAOHARU
IPC: G03C1/035
Filed: 2001-03-28
Abstract: PROBLEM TO BE SOLVED: To provide a silver halide photographic emulsion which increases blue light absorption by a high iodide phase while retaining the advantages of sensitization and development characteristics of silver halide grains having a face-centered cubic lattice structure and can achieve high image forming efficiency. SOLUTION: In the silver halide photographic emulsion in which flat platy grains with (a) a shell part having a face-centered cubic rock salt type crystal lattice structure and (b) a silver halide layer having a silver iodide crystal lattice structure on the inside of the shell part occupy >=70% of the number of all silver halide grains, the silver halide layer has a platy part which extends in a direction parallel to the principal surfaces of the flat platy grains.
Patent JP-2002300438-A (JP)
Title: Digital camera
Inventor: USHIRO SHIGEAKI
IPC: G03B17/02
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a thin-type digital camera which can obtain a photograph of high image quality, when an object is magnified, regarding a digital camera which switches over a wide angle type and a telescopic type. SOLUTION: The digital camera is equipped with a main body 10, whose thickness is less than at least one out of the longitudinal dimension and the transversal dimension of the front, an imaging element 100, a first photographing lens 101, a second photographing lens 102 which is arranged on a body front surface 10a or a side surface 10b and has a focal length longer than that of the first lens 101, and a photographing lens switching optical system 110, which is movable between a first switching state and a second switching state.  In the first switching state, a first optical path, where a first photographing light taken in from the first lens 101 reaches the element 100, is intercepted, and a second photographing light taken in from the second lens 102 is guided to the element 100 via a second optical path, containing an optical path parallel to is the front surface 10a of the body part 10. The second switching state is retreated from the first optical path and intercepts the second optical path.
Patent JP-2002293762-A (JP)
Title: Monoacrylate fluorene compound, composition containing the same and its cured product
Inventor: KAWASAKI SHINICHI
IPC: G02B1/14
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To provide a fluorene-based acrylate suitable for an optical material such as an over-coating agent, a hard-coating agent, etc., used for the production of an optical reflection-preventing membrane, excellent in humidity resistance, refringency, etc., and having a sufficient hardness, a composition containing the above acrylate and its cured product. SOLUTION: This monoacrylate fluorene compound is characterized by being expressed by the following general formula (1) [wherein, R, R' are the same or different and each H or a 1-6C alkyl; and (n) is 0-10 integer], and the composition containing the above compound and its cured product are also provided.
Patent JP-2002293229-A (JP)
Title: Stroke simulator device and hydraulic brake device for vehicle
Inventor: ISHIMURA JUNJI
IPC: B60T13/12
Filed: 2001-03-29
Abstract: PROBLEM TO BE SOLVED: To reduce the number of components while maintaining good brake operation feeling. SOLUTION: A stroke simulator is provided with a piston 14 liquidtightly and slidably arranged in a housing 11 and forming a hydraulic pressure chamber 15 having hydraulic pressure according to a brake pedal operation force supplied at one end, a retainer member 17 arranged on another end side of the piston 14 in the housing 11 and movable as one body with the piston 14 according to the slide of the piston 14 for increasing the capacity of the hydraulic pressure chamber 15, a first spring 19 energizing the piston 14 for reducing the capacity of the hydraulic pressure chamber, a second spring 20 energizing the retainer member 17 in the same direction as the energizing direction of the first spring 19 and having a spring rate different from that of the first spring,  and a common shock absorbing elastic body compressed by the piston 14 when the piston 14 slides at a designated stroke with resisting the energizing force of the first spring 19 and compressed by the retainer member 17 when the retainer member 17 slides at the designated stroke with resisting the energizing force of the second spring 20.
Patent JP-2002293883-A (JP)
Title: One-pack heat-setting epoxy resin composition and underfill material for packaging semiconductor
Inventor: GOTO JIYOUSHI
IPC: H01L21/56
Filed: 2001-03-30
Abstract: PROBLEM TO BE SOLVED: To provide a one-pack heat-setting epoxy resin composition, useful as an underfill material used when mounting on a flip chip or a semiconductor- package wiring board formed by keeping the semiconductor device on a carrier base, particularly capable of abbreviating flux treatment adapted to improve bonding strength of a bump or a solder ball in above-described mounting, also displaying voidless property good in reflow temperature, and capable of applying to an adhesive, paint, coating material, sealing material, etc. SOLUTION: The one-part heat-setting epoxy resin composition is essentially composed of a liquid epoxy resin and a carboxylic acid having two or above carboxyl group as a curing agent.
Patent JP-2002302413-A (JP)
Title: Method for producing powder-containing cosmetic
Inventor: MORI KUNIHIKO
IPC: A61K8/00
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a technique of efficiently and homogeneously dispersing powder in a liquid dispersion medium. SOLUTION: The objective method for producing a powder-containing cosmetic is characterized by involving using an autorotation-and-revolution type mixer functioning to autorotate a vessel containing both powder and a dispersion medium therein about the rotating axis of the vessel, and concurrently revolve the vessel about the center of the mixer to effect mutually mixing and/or dispersing the powder and the dispersion medium.
Patent JP-2002234872-A (JP)
Title: Method for analyzing melatonin and melatonin analyzer
Inventor: ZAITSU KIYOSHI
IPC: G01N30/88
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a highly sensitive method for analyzing melatonin ensuring melatonin to be determined with a minimal blood collection in view of the fact that the endogenous melatonin content in mammals is extremely minute and the conventional analyzing method therefor is low in sensitivity, therefore the required amount of blood for analyzing melatonin has been enough to be a burden on a subject; and to provide an indole oxide derivative having intense fluorescence. SOLUTION: This analyzing method for melatonin includes the oxidation means comprising oxidizing melatonin of general formula (II) to form melatonin oxide of carbonyl-type structure shown by general formula (I) and the determination means comprising measuring the fluorescence intensity of the above melatonin oxide to quantify melatonin. Further, an indole oxide derivative of general formula (I) can be obtained by oxidizing the corresponding indole derivative of general formula (II) with an oxidizing agent. (R1 to R7 and R'5 and R'7 are each a group defined in the specification).
Patent JP-2002292043-A (JP)
Title: Pachinko game machine
Inventor: TSUCHIMOTO HISAO
IPC: A63F7/02
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide a pachinko game machine capable of enhancing the fun with playing the game and establishing such an arrangement that the result from playing made by the player is reflected on that a big hit is easily generated substantially by changing the lot drawing probability of being drawn that winning a prize is likely by a lot drawing means in accordance with the frequency that the pattern form generated by a pattern displaying means has become the 'ready-to-win' mode. SOLUTION: The pachinko game machine is composed of a 'ready-to-win' existence/non-existence drawing means 54 to draw whether the pattern form generated by the pattern displaying means 23 is to be made a 'ready-to-win' mode, a 'ready-to-win' frequency memory means 56 to store the number N of 'ready-to-win' occurrences generating the 'ready-to-win' mode, and a draw probability changing means 57 to change the draw probability P for a draw judging means 51 to judge that winning a prize is likely in accordance with the number N of 'ready-to-win' occurrences stored in the 'ready-to-win' frequency memory means 56.
Patent JP-2002296999-A (JP)
Title: Image forming apparatus
Inventor: WASHINO KAZUHIKO
IPC: G03G15/05
Filed: 2001-04-02
Abstract: PROBLEM TO BE SOLVED: To provide an image forming apparatus which prevents dirt of an image quality by preventing the inside of the image forming apparatus, a recording paper, etc., from being soiled with toner scattered by cleaning small holes of a developer passage control member. SOLUTION: A toner recovery mechanism 402 which recovers waste toner scattered from small holes 23 by cleaning is provided under the vicinity of small holes 23 of a developer passage control member 4, and thus waste toner is prevented from dropping down to soil the inside of the image forming apparatus, the recording paper, etc.
Patent JP-2002291756-A (JP)
Title: Atheroma removing and stent indwelling device, stent recovery device, and operating device thereof
Inventor: SUZUKI SHIGEKI
IPC: A61F2/966
Filed: 2001-04-03
Abstract: PROBLEM TO BE SOLVED: To provide an atheroma removing and stent indwelling device, a stent recovery device, and an operating device thereof easily removing the atheroma, easily recovering the stent, preventing the redevelopment of a granulation tissue, arbitrarily changing the length, capable of applying to a carotid artery, and consistently removing the atheroma and indwelling the stent. SOLUTION: This atheroma removing and stent indwelling device is provided with a hollow catheter outer cylinder 2 inserted into a blood vessel and having the tip part introduced to a target part of the atheroma removal and stent indwelling, an inner cylinder 4 inserted in the outer cylinder 2 and formed with a spiral groove 3 in its circumference, and a coil 5 stored along the spiral groove 3 and restorably energized in a prescribed spiral shape. When the rotation, advance, and retreat of the inner cylinder 4 and the outer cylinder 2 are combined, the coil 5 can be freely fed and rewound. The coil 5 can be used for the atheroma removing device and the stent.
Patent JP-2002310567-A (JP)
Title: Method for laying bricks of furnace wall manhole of heating furnace, soaking furnace or the like
Inventor: ITO NAOFUMI
IPC: F27D1/00
Filed: 2001-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a method for eliminating a contact of protruding bricks with a steel material during conveying in a furnace by preventing protrusion of the brick of a manhole to the inside of the furnace in a heating operation of the furnace after a repairing work is finished by executing a repair in the furnace such as a heating furnace, a soaking furnace or the like by opening the manhole of the sidewall of the furnace and again laying the bricks in the manhole after the repair in the furnace. SOLUTION: A method for laying the bricks of the furnace wall manhole of the heating furnace 1 such as the soaking furnace or the like comprises the steps of charging a ceramic wool 4 in a boundary between the bricks 5 of the furnace sidewall and the bricks 5 of the manhole 3 in the case of repairing the bricks 5 from the furnace wall manhole of the furnace 1, the soaking furnace or the like, and laying the bricks to absorb the thermal expansion margin of the bricks. Thus, the pushing-out of the bricks 5 of the manhole 3 to the inside of the furnace is prevented.
Patent JP-2002305600-A (JP)
Title: Pet monitor system and pet supervisory device
Inventor: ZAIMA TSUTOMU
IPC: H04B7/26
Filed: 2001-04-04
Abstract: PROBLEM TO BE SOLVED: To provide a pet monitor system and a pet monitor device that can relieve loads on both a pet keeper and a pet and allow the pet keeper to able to grasp the behavior of the pet in real time. SOLUTION: The pet monitor system SYS is provided with a mobile communication terminal 1, a camera placed at a remote place to receive a picture of the pet P, and a display device that is provided to the mobile communication terminal 1 and outputs the picture received by the camera through a line 2.